* {{App|[[Iptables]]|A powerful [[firewall]] built into the linux kernel that is part of the [http://en.wikipedia.org/wiki/Netfilter netfilter] project.|http://www.netfilter.org/projects/iptables/index.html|{{Pkg|iptables}}}}

* {{App|Swatch|A utility that can monitor just about any type of log.|http://swatch.sourceforge.net/|{{AUR|swatch}}}}

* {{App|Swatch|A utility that can monitor just about any type of log.|http://swatch.sourceforge.net/|{{AUR|swatch}}}}

* {{App|[[Wikipedia:tcpdump|Tcpdump]]|A common console-based packet analyzer that allows the user to intercept and display TCP/IP and other packets being transmitted or received over a network.|http://www.tcpdump.org/|{{Pkg|tcpdump}}}}

* {{App|[[Wikipedia:tcpdump|Tcpdump]]|A common console-based packet analyzer that allows the user to intercept and display TCP/IP and other packets being transmitted or received over a network.|http://www.tcpdump.org/|{{Pkg|tcpdump}}}}